ethereum/relayer: fix storage constant comments

The hash preimages for storage calculations were wrong for two storage
slots. The updated preimages can be verified to be correct with e.g. the
`chisel` command line tool from the foundry suite.

ethereum/contracts/relayer/wormholeRelayer/WormholeRelayerStorage.sol

@@ -31,7 +31,7 @@ struct DefaultDeliveryProviderState {
  address defaultDeliveryProvider;
 }
 
-//keccak256("DefaultDeliveryProviderState") - 1
+//keccak256("DefaultRelayProviderState") - 1
 bytes32 constant DEFAULT_RELAY_PROVIDER_STORAGE_SLOT =
  0xebc28a1927f62765bfb7ada566eeab2d31a98c65dbd1e8cad64acae2a3ae45d4;
 
@@ -49,7 +49,7 @@ struct RegisteredWormholeRelayersState {
  mapping(uint16 => bytes32) registeredWormholeRelayers;
 }
 
-//keccak256("RegisteredWormholeRelayersState") - 1
+//keccak256("RegisteredCoreRelayersState") - 1
 bytes32 constant REGISTERED_CORE_RELAYERS_STORAGE_SLOT =
  0x9e4e57806ba004485cfae8ca22fb13380f01c10b1b0ccf48c20464961643cf6d;